math :)

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1. A toy airplane is 10 inches long.If the actual airplane is 75 feet long, find the scale of the model.
A. 2:14 ft
B. 1:90 ft
C. 4:25 ft
D. 1:120 ft
My answer is B ?

  • math :) -

    10:(75*12) = 10:900 = 1:90

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